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In Vim, I'd like to go back a word. The opposite of `w`
When you're using vim, you can move forward word by word with w . How do I go backwards?
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Perform Segue programmatically and pass parameters to the destination view
in my app I've a button that performs a segue programmatically:
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5
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What is Ad Hoc Query?
I'm reading a book about SQL. In that book there's the term Ad Hoc Query , which I don't understand.
10 Answers
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JS - get image width and height from the base64 code
I have a base64 img encoded that you can find here . How can I get the height and the width of it?
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Practical uses for AtomicInteger
I sort of understand that AtomicInteger and other Atomic variables allow concurrent accesses. In what cases is this class typically used though?
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XPath OR operator for different nodes
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"|" is not really an "OR operator" in XPath.It permits you to build a nodeset composed from substrees of a whole XML tree. "//book|//cd" means among all child nodes and descendant of the root node find all ones named 'book' then find also all named 'cd'. If ...
Android: When is onCreateOptionsMenu called during Activity lifecycle?
I put a couple of breakpoints in onCreate (one at the beginning, and one at the end of the method), and I also put one at the beginning of onCreateOptionsMenu . The onCreate method is called first, and before it finishes onCreateOptionsMenu is called.
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How to Join to first row
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SELECT Orders.OrderNumber, LineItems.Quantity, LineItems.Description
FROM Orders
JOIN LineItems
ON LineItems.LineItemGUID =
(
SELECT TOP 1 LineItemGUID
FROM LineItems
WHERE OrderID = Orders.OrderI...
How to Animate Addition or Removal of Android ListView Rows
In iOS, there is a very easy and powerful facility to animate the addition and removal of UITableView rows, here's a clip from a youtube video showing the default animation. Note how the surrounding rows collapse onto the deleted row. This animation helps users keep track of what changed in a li...
Proper URL forming with Query String and Anchor Hashtag
When both a query string and anchor tag (hash tag) are visible in a URL, what is the proper order for them to appear?
4 Ans...